B3311331313231311331322331333132313231323331333131123313231311331323132231
>>
B331133131323131133132233133313231323132333133313112331323131133132313223
<<
B3311331313231311331322331333132313231323331333131123313231311331323132233
>>
B3311331313231311331322331333132313231323331333131123313231311331323132232
>>